810366920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{17881}}^1$

素因数の和:18006

約数の個数: 64

約数和(自身を含む): 2008506240

約数和(自身を除く): 1198139320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4532, 5665, 9064, 11330, 17881, 22660, 35762, 45320, 71524, 89405, 143048, 178810, 196691, 357620, 393382, 715240, 786764, 983455, 1573528, 1841743, 1966910, 3683486, 3933820, 7366972, 7867640, 9208715, 14733944, 18417430, 20259173, 36834860, 40518346, 73669720, 81036692, 101295865, 162073384, 202591730, 405183460, 810366920]

約数ペア:

[(1, 810366920), (2, 405183460), (4, 202591730), (5, 162073384), (8, 101295865), (10, 81036692), (11, 73669720), (20, 40518346), (22, 36834860), (40, 20259173), (44, 18417430), (55, 14733944), (88, 9208715), (103, 7867640), (110, 7366972), (206, 3933820), (220, 3683486), (412, 1966910), (440, 1841743), (515, 1573528), (824, 983455), (1030, 786764), (1133, 715240), (2060, 393382), (2266, 357620), (4120, 196691), (4532, 178810), (5665, 143048), (9064, 89405), (11330, 71524), (17881, 45320), (22660, 35762)]